COVINGTON-BROWN "C"

Oil · District 7B · Lease #18650

Operator: WILCOX PETROLEUM OPERATING LLC.

Fields: BISSETT RANCH (STRAWN REEF)

Cum Oil

75k BBL

Cum Gas

419 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2000-02

Production History

Cum Oil: 74,530 BBL Cum Gas: 419 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

395 BBL/mo

Di (annual)

6.7%

b-factor

0.0

EUR

68,374 BBL

R-squared

0.610

type

exponential

Operator History (from monthly production reports)

2025-06 — 2026-07 IS ENERGY, LLC 14 mo

2023-04 — 2025-05 VERTOX LLC 26 mo

2016-01 — 2023-03 RIDGLEA ENERGY I, LLC 87 mo

2014-04 — 2015-12 RIDGLEA ENERGY, LLC 21 mo

2005-07 — 2014-03 WILCOX PETROLEUM OPERATING LLC. 105 mo

1999-09 — 2005-06 WILCOX OIL COMPANY 70 mo

1998-10 — 1999-08 L.C.S. PRODUCTION COMPANY 11 mo

1993-01 — 1998-09 MARKAY OIL & GAS COMPANY 69 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-433-31566	IS ENERGY, LLC	1	6,000	1982-12-31
1	42-433-31447	IS ENERGY, LLC	1	6,100	1982-04-13